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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
749 | * @param array $envelope { |
750 | * Envelope data. |
751 | * |
752 | * @type array $body Response data. |
753 | * @type int $status The 3-digit HTTP status code. |
754 | * @type array $headers Map of header name to header value. |
755 | * } |
756 | * @param WP_REST_Response $response Original response data. |
757 | */ |
758 | $envelope = apply_filters( 'rest_envelope_response', $envelope, $response ); |
759 |
|
760 | // Ensure it's still a response and return. |
761 | return rest_ensure_response( $envelope ); |
762 | } |
763 |
|
764 | /** |
765 | * Registers a route to the server. |
766 | * |
767 | * @since 4.4.0 |